package filter;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;

public class EncodingFilter implements Filter {
	public void init(FilterConfig filterConfig)  throws ServletException  {
    	System.out.println("EncodingFilter初始化");
    }
    public void doFilter(ServletRequest req,ServletResponse resp,FilterChain chain) throws IOException,ServletException {
    	
    	req.setCharacterEncoding("utf-8");
        resp.setCharacterEncoding("utf-8");
    	chain.doFilter(req,resp);
    	
    }
    
    public void destroy() {
    	System.out.println("EncodingFilter 销毁");
    }
}
